________ around the beautiful campus, they were taken to the classroom to observe a maths lesson. A．...
2022-10-11 16:43:43 28次 2015-2016学年广东实验中学高一下期末考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
________ around the beautiful campus, they were taken to the classroom to observe a maths lesson.
A．To be shownB．Having shown
C．Having been shownD．To show
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